Corrosion is defined as a refined metal that is naturally converted to a more stable form such as its hydroxide or sulphide state. Metal corrodes when it reacts with another substance such as oxygen, hydrogen or bacteria. Corrosion can also happen when metals are placed under too much stress causing the material to crack. Corrosion leads to deterioration of the material.
Stainless steel is highly corrosion resistant, making it suitable for use in environments where exposure to moisture, chemicals, or harsh conditions such as salt water is expected.
In this section you can find newsitems related to all types of corrosion such as stress corrosion cracking, intergranular corrosion, pitting, and corrosion fatigue. If you wish to include your news release on our website and email newsletter, please feel free to contact the editor.
Ready-for-installation components and prefabricated pipework for drilling and well construction technology must display a high degree of functional safety and corrosion resistance.
SANHA has recently offered newly improved axial expansion compensators for NiroSan® and NiroTherm® pipeline systems. These new compensators have a significantly better axial movement absorption capacity as well as high restoring forces.
Jindal Stainless (Hisar) Limited (JSHL), Indian integrated stainless steel producer, has announced its entry into the defence sector by signing the License agreement with Defence Research & Development Organisation (DRDO), Ministry of Defence which entails transfer of technology for manufacturing High Nitrogen Steel (HNS) for armour applications.
Abrasion wear is an extensive problem for stainless steels. In the on-going effort to increase the knowledgebase on abrasion, Expanite requested Bud Labs to measure the dry abrasion characteristics of untreated and Expanite treated samples of austenitic AISI316L using the ASTM G 65 Procedure.
Metsä Group is currently building a new bioproduct mill in Äänekoski in Central Finland. Important units like the recovery boiler and the superheater are equipped with Vallourec's high-temperature grade tubes that contribute to increased process efficiency.
Milacron Holdings Corp., has announced that its CIMCOOL brand has released a boron and formaldehyde releasing agent free product for extra heavy duty applications in the aerospace industry.
Transforming the water from reservoirs, for human consumption, complying with the requirements of current legislation, is the most important mission carried out in drinking water treatment stations.
Gas tungsten arc welding (GTAW), commonly known as tungsten inert gas welding (TIG), has always been considered to be a particularly complicated joining process.
Corrosion can be a big problem because it can cause significant damage and deterioration to various materials, particularly metals. We have listed below several reasons why corrosion is a significant concern:
Structural Integrity: Corrosion weakens the structural integrity of materials. When metals corrode, they lose their strength and load-bearing capacity, which can lead to failures and collapses in infrastructure, buildings, bridges, pipelines, and other critical structures.
Economic Impact: Corrosion imposes substantial economic costs. The direct expenses associated with corrosion include repairs, replacements, and maintenance of corroded structures and equipment. Additionally, there are indirect costs such as production losses, decreased efficiency, and increased energy consumption due to the effects of corrosion on industrial processes and machinery.
Environmental Consequences: Corrosion can have adverse environmental effects. For example, in the case of pipelines, corrosion can lead to leaks and spills of hazardous substances, causing soil and water pollution and damaging ecosystems.
Health and Safety Risks: Corrosion can create health and safety risks in various ways. For instance, when corrosion affects pipelines or storage tanks carrying toxic substances, it can lead to leaks or releases that endanger the health of workers, communities, and the environment.
Maintenance and Downtime: Corrosion necessitates regular maintenance and inspection programs to detect and mitigate its effects. This requires significant time, effort, and financial resources. Additionally, when corrosion-related issues arise, it often requires shutting down operations, causing downtime and productivity losses.
Given these reasons, it is crucial to understand and address corrosion through preventive measures, protective coatings, corrosion-resistant materials, regular inspections and testing (ASTM B117), and appropriate maintenance practices to mitigate its impact and ensure the longevity and safety of structures and equipment.
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